What mass of iron was dissolved The vapor pressure of water is 25 torr at 26 C

# What mass of iron was dissolved the vapor pressure of

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What mass of iron was dissolved? The vapor pressure of water is 25 torr at 26C.Fe(s) + 2HCl(aq) FeCl2(aq) + H2(g)a.0.284 gb.0.414 gc.0.496 gd.0.549 ge.0.565 gANS: EDIF:Harder QuestionOBJ:Use Dalton's law of partial pressures and the balanced gaseous chemical reaction to determine mass of product.TOP:Mass-Volume Relationships in Reactions Involving Gases 159.A 4.52-gram sample containing only CaCO3and MgCO3was heated to decompose the carbonates. Theliberated CO2occupied 1.36 liters at 800.C under a pressure of 3.30 atmospheres. What mass of CaCO3was contained in the original sample?CaCO3(s) CaO(s) + CO2(g)MgCO3(s) MgO(s) + CO2(g) a.1.3 gb.2.4 gc.1.5 gd.3.2 ge.2.7 gANS: CDIF:Harder QuestionOBJ:Apply the ideal gas law and the balanced chemical equations to determine moles of a gas and relate the moles of gas to amounts of reactants.TOP:Mass-Volume Relationships in Reactions Involving GasesWhitten 10eTest Bank
160.A 10.0 g sample of CaCO3is placed in a 10 L container and heated to 500 K. What is the pressure in the container, assuming all the CaCO3 reacts?CaCO3(s) CaO(s) + CO2(g) 161.Silver oxide decomposes completely at temperatures in excess of 300C to produce metallic silver and oxygen gas. A 1.60-gram sample of impure Ag2O gives 72.1 mL of O2measured at STP. What is the percentage of Ag2O in the original sample?2Ag2O(s) 4Ag(s) + O2(g) 162.At the same ____, the molecules of all samples of ideal gases have the same average kinetic energies. 163.The average kinetic energy of ideal gas molecules is directly proportional to the ____. a.volume of the sampleb.pressure of the samplec.mass of the moleculed.density of the samplee.absolute temperature of the sampleANS: EOBJ:Apply kinetic-molecular theory.TOP:The Kinetic-Molecular Theory Whitten 10e Test Bank
164.Which gas law cannot be explained by the Kinetic Molecular Theory?